https://github.com/google/oss-fuzz/issues/671

Change-Id: Ic22f279fa8ef477540afdfa06a22138c9e3a8270
Reviewed-on: https://gerrit.libreoffice.org/38793Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>